* {
    margin: 0;
    padding: 0;
}

li {
    list-style: none;
}
.box {
    margin: 0 auto;
    
    width: 1200px;
    height: 620px;
    
}
.box1 {
    width: 1200px;
    height: 50px;
   
}
h3 {
    width: 200px;
    height: 50px;
    color: #fff;
    font-size: 16px;
    text-indent: 16px;
    line-height: 50px;
    background-color: #c44e4e;
    cursor: pointer;
    float: left;

}


.box1 ul {
    float: left;
    margin-left: 30px;
}
 .box1 ul li {
 height: 50px;
 line-height: 50px;
float: left;
margin-left: 20px;
 }
 .box2 {
     width: 1200px;
     height: 570px;
    
 }

 .box2 ul{
     width: 200px;
      height: 560px;
     
     
 }
  .box2 ul li {
      width: 200px;
      font-size: 12px;
      border-bottom: 1px solid #ccc;
      line-height: 70px;
      height: 70px;
      background-color: #ebebee;
      color: #666666;
      text-indent: 16px;
      cursor: pointer;
  }
  .box2 .txt {
   
      font-size: 14px;
      color: #828282;
      font-weight: 700;
  }
  .box2 ul {
      position: relative;
  }

 .box3 {
     
     width: 800px;
     position: absolute;
     left: 200px;
     top: 0;
     border-top: 10px #ccc solid;
     font-weight: 700;
     text-indent: 24px;
     
}
.box3  .imgbox {
    margin-top: 10px;
    height: 250px;
}
  .img {
    text-indent: 24px;
    margin-top: 7px;
   
}
.box2  ul li :hover   .box3{
   display: block;
}
.box4 {
    border-top:10px solid #ccc ;
    width: 200px;
    height: 560px;
    
    position: absolute;
    left: 1000px;
     top: 0;
}
 .box4 img {
     padding: 20px;
     padding-left: 29px;
     padding-top: 110px;
 }
 .box4 img {
     height:  350px;
 }
 .box5  {
     width: 800px;
     height: 100px;
   
     position: absolute;
     bottom: -20px;
     left: 200px;
     text-indent: 24px;
 }
 .box5 ul {
     width: 800px;
     height: 22px;
     margin-top: 10px;
 }
  .box5 ul   li  {
      width: 80px;
     height: 20px;
     background-color: #fff;
     border-radius: 10px;
     border: 1px solid #ccc;
     line-height: 20px;
     float: left;
     margin-left: 30px;
 }
 .rocket {
    position: fixed;
    right: 50px;
    bottom: 100px;
    display: none;
}
p {
    width: 100px;
    margin-left: 180px;
    color: red;
}